Bed



FIG. 1 is a perspective view of a bed, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front elevational view; and,

FIG. 6 is a rear elevational view.

The bottom of the bed, not shown, forms no part of the claimed design.

CLAIM The ornamental design for a bed, as shown and described.